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Head SHA1: 3a81a5210b7d33bb6d836b4c4952a54166a336f3
Steven Rostedt (Red Hat) (1):
tracing: Add rcu annotation for syscall trace descriptors
----
kernel/trace/trace.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
---------------------------
commit 3a81a5210b7d33bb6d836b4c4952a54166a336f3
Author: Steven Rostedt (Red Hat) <[email protected]>
Date: Mon Nov 11 11:47:06 2013 -0500
tracing: Add rcu annotation for syscall trace descriptors
sparse complains about the enter/exit_sysycall_files[] variables being
dereferenced with rcu_dereference_sched(). The fields need to be
annotated with __rcu.
Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 11a04d6..7ca1993 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -192,8 +192,8 @@ struct trace_array {
#ifdef CONFIG_FTRACE_SYSCALLS
int sys_refcount_enter;
int sys_refcount_exit;
- struct ftrace_event_file *enter_syscall_files[NR_syscalls];
- struct ftrace_event_file *exit_syscall_files[NR_syscalls];
+ struct ftrace_event_file __rcu *enter_syscall_files[NR_syscalls];
+ struct ftrace_event_file __rcu *exit_syscall_files[NR_syscalls];
#endif
int stop_count;
int clock_id;
--
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